Is the entropy change favorable or not, when a nonpolar molecule is transferred from water to a nonpolar solvent?

Question

Chemistry

Allen Tapia

26 February, 17:57

Is the entropy change favorable or not, when a nonpolar molecule is transferred from water to a nonpolar solvent?

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Answers (1)

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Atticus Wells · Answer 1

Entropy change is favorable when a nonpolar molecule is transferred from water to a nonpolar solvent.

Explanation:

A nonpolar molecule is not miscible in water (polar solvent). Therefore, when mixed together, each specie will cluster together and solvation will not happen.

However, when you tranfer the nonpolar molecule to a nonpolar solvent, the solvent molecules will interact with the nonpolar molecule. This will increase entropy as the level of disorder will increase with solvation.